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<head><meta charset="utf-8"><title>I-prioritize #72476 Incorrect non-exhaustive pattern error · t-compiler/wg-prioritization · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/index.html">t-compiler/wg-prioritization</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372476.20Incorrect.20non-exhaustive.20pattern.20error.html">I-prioritize #72476 Incorrect non-exhaustive pattern error</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372476%20Incorrect%20non-exhaustive%20pattern%20error/near/198504417" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372476.20Incorrect.20non-exhaustive.20pattern.20error.html#198504417">(May 22 2020 at 23:00)</a>:</h4>
<p><span class="user-group-mention" data-user-group-id="2403">@WG-prioritization</span> issue <a href="https://github.com/rust-lang/rust/issues/72476">#72476</a> has been requested for prioritization.</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372476%20Incorrect%20non-exhaustive%20pattern%20error/near/198521640" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lcnr <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372476.20Incorrect.20non-exhaustive.20pattern.20error.html#198521640">(May 23 2020 at 06:38)</a>:</h4>
<p>Seems to be a problem when pattern matching on structs/enums which contain a projection...<br>
<code>P-high</code>/<code>P-critical</code> IMO.</p>



<a name="198538081"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372476%20Incorrect%20non-exhaustive%20pattern%20error/near/198538081" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> DPC <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372476.20Incorrect.20non-exhaustive.20pattern.20error.html#198538081">(May 23 2020 at 14:32)</a>:</h4>
<p>I agree with P-critical</p>



<a name="198545211"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372476%20Incorrect%20non-exhaustive%20pattern%20error/near/198545211" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Léo Lanteri Thauvin <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372476.20Incorrect.20non-exhaustive.20pattern.20error.html#198545211">(May 23 2020 at 17:52)</a>:</h4>
<p>Yeah, this seems like a pretty major breakage to me... Rejects valid code, and detected really quickly (within less than 2 days)</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize%20%2372476%20Incorrect%20non-exhaustive%20pattern%20error/near/198545263" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> triagebot <a href="https://rust-lang.github.io/zulip_archive/stream/227806-t-compiler/wg-prioritization/topic/I-prioritize.20.2372476.20Incorrect.20non-exhaustive.20pattern.20error.html#198545263">(May 23 2020 at 17:54)</a>:</h4>
<p>Issue <a href="https://github.com/rust-lang/rust/issues/72476">#72476</a>'s prioritization request has been removed.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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